diff --git a/quic/core/quic_sent_packet_manager.cc b/quic/core/quic_sent_packet_manager.cc
index 1a97417..3b4cabc 100644
--- a/quic/core/quic_sent_packet_manager.cc
+++ b/quic/core/quic_sent_packet_manager.cc
@@ -440,6 +440,8 @@
   if (!rtt_updated && packets_acked_.empty() && packets_lost_.empty()) {
     return;
   }
+  const bool overshooting_detected =
+      stats_->overshooting_detected_with_network_parameters_adjusted;
   if (using_pacing_) {
     pacing_sender_.OnCongestionEvent(rtt_updated, prior_in_flight, event_time,
                                      packets_acked_, packets_lost_);
@@ -447,6 +449,10 @@
     send_algorithm_->OnCongestionEvent(rtt_updated, prior_in_flight, event_time,
                                        packets_acked_, packets_lost_);
   }
+  if (debug_delegate_ != nullptr && !overshooting_detected &&
+      stats_->overshooting_detected_with_network_parameters_adjusted) {
+    debug_delegate_->OnOvershootingDetected();
+  }
   packets_acked_.clear();
   packets_lost_.clear();
   if (network_change_visitor_ != nullptr) {
diff --git a/quic/core/quic_sent_packet_manager.h b/quic/core/quic_sent_packet_manager.h
index e2af3e2..3670faa 100644
--- a/quic/core/quic_sent_packet_manager.h
+++ b/quic/core/quic_sent_packet_manager.h
@@ -76,6 +76,8 @@
                                            QuicTime::Delta /*rtt*/,
                                            QuicByteCount /*old_cwnd*/,
                                            QuicByteCount /*new_cwnd*/) {}
+
+    virtual void OnOvershootingDetected() {}
   };
 
   // Interface which gets callbacks from the QuicSentPacketManager when